Tamarisk
®
640
Software ICD
11
commands but are extended to 16 bits in an ERR.
6
checksum
Frame check sequence. See paragraph 2.1.
Table 8– ERR String Response Format
Byte
Value/Type
Description
1
0x01
Start of message.
2
0x04
ERR Response ID.
3
N
Number of text bytes to follow.
4 to
(N+3)
ASCII chars
ASCII text string that contains error message. Null termination
not required.
(N+4)
checksum
Frame check sequence. See paragraph 2.1.
2.3.5 VALUE Response
The VALUE response is generated when a command returns a single 16-bit integer value.
Table 9– VALUE Response Format
Byte
Value/Type
Description
1
0x01
Start of message.
2
0x45
VALUE Response ID.
3
0x02
VALUE responses always have 2 parameter bytes.
4, 5
Unsigned integer
Value.
6
checksum
Frame check sequence. See paragraph 2.1.
2.3.6 CMD Response
The command response is generated by any command that requires a response that does not
fit any of the prior response types. The content of the response is dependent on the
command and the nature of the response.
Table 10 – CMD Response Format
Byte
Value/Type
Description
1
0x01
Start of message.
2
Command ID
ID of corresponding command.
3
N
Number of bytes to follow.
4 to
(N+3)
varies
The contents of this field depend on the command and
response type.
(N+4)
Checksum
Frame check sequence. See paragraph 2.1.
